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Finding the Fourth Proportional to 1,134.55, 1,698.17 and 585.98

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Solution

The fourth proportional to 1,134.55, 1,698.17 and 585.98 is: 877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.55 : 1,698.17 = 585.98 : x
  2. Step 2: Convert to fraction form
    1,134.55/1,698.17 = 585.98/x
  3. Step 3: Cross multiply
    1,134.55x = 1,698.17 × 585.98
  4. Step 4: Simplify right side
    1,134.55x = 995,095.12
  5. Step 5: Solve for x
    x = 995,095.12/1,134.55
  6. Step 6: Final answer
    x = 877.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.